It's tradition for there to be at least one fitness professional scattered amongst the batch of Bachelor or Bachelorette contestants. On Rachel's season, there was Eric (and later on, Peter). Last night, on the premiere for Arie's season, Krystal Nielson introduced herself as an online health and fitness coach who's "passionate about nutrition, people, and helping them reach their best potential to be the best versions of themselves."
Despite the somewhat vague job title, Krystal's credentials are very...
